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niles. Groundwater is discharged from through evapotranspiration and pumping in tl which encompasses 2 percent of the total drainage area or 23 square miles. Mean ann precipitation on the central lowland is 6 inches. Mean annual evapotranspiration and umping from the playa is equivalent to 54 inches/yr and includes both groundwater precipitation. All groundwater recharge occurs in volcanic rocks exposed in the mountain area abo eet AMSL, where mean annual precipitation is 14 inches. The area of the basin abov eet is 250 square miles. Mean chloride concentration in precipitation and dry fall is milligram per liter. Wells on the alluvial fan between the mountain area and the central lowland have an chloride concentration of 8 milligrams per liter. a. Using the chloride ratio between precipitation in the mountain recharge area and the wells on the fan between the mountain area and playa, determine mean annual recharge to Smith Valley in acre-feet per year (there are 640 acr square mile). b. Determine the groundwater discharge in the playa area. Is the basin at steady state?

niles. Groundwater is discharged from through evapotranspiration and pumping in tl which encompasses 2 percent of the total drainage area or 23 square miles. Mean ann precipitation on the central lowland is 6 inches. Mean annual evapotranspiration and umping from the playa is equivalent to 54 inches/yr and includes both groundwater precipitation. All groundwater recharge occurs in volcanic rocks exposed in the mountain area abo eet AMSL, where mean annual precipitation is 14 inches. The area of the basin abov eet is 250 square miles. Mean chloride concentration in precipitation and dry fall is milligram per liter. Wells on the alluvial fan between the mountain area and the central lowland have an chloride concentration of 8 milligrams per liter. a. Using the chloride ratio between precipitation in the mountain recharge area and the wells on the fan between the mountain area and playa, determine mean annual recharge to Smith Valley in acre-feet per year (there are 640 acr square mile). b. Determine the groundwater discharge in the playa area. Is the basin at steady state?

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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2. Smith Valley is closed hydrologic basin near Austin, Nevada encompassing 1150 square miles. Groundwater is discharged from through evapotranspiration and pumping in the playa, which encompasses 2 percent of the total drainage area or 23 square miles. Mean annual precipitation on the central lowland is 6 inches. Mean annual evapotranspiration and pumping from the playa is equivalent to 54 inches/yr and includes both groundwater and precipitation. All groundwater recharge occurs in volcanic rocks exposed in the mountain area above 7000 feet AMSL, where mean annual precipitation is 14 inches. The area of the basin above 7000 feet is 250 square miles. Mean chloride concentration in precipitation and dry fall is 0.6 milligram per liter. Wells on the alluvial fan between the mountain area and the central lowland have a mean chloride concentration of 8 milligrams per liter. a. Using the chloride ratio between precipitation in the mountain recharge area and the wells on the fan between the mountain area and playa, determine the mean annual recharge to Smith Valley in acre-feet per year (there are 640 acres in a square mile). b. Determine the groundwater discharge in the playa area. Is the basin at steady state?
Transcribed Image Text:2. Smith Valley is closed hydrologic basin near Austin, Nevada encompassing 1150 square miles. Groundwater is discharged from through evapotranspiration and pumping in the playa, which encompasses 2 percent of the total drainage area or 23 square miles. Mean annual precipitation on the central lowland is 6 inches. Mean annual evapotranspiration and pumping from the playa is equivalent to 54 inches/yr and includes both groundwater and precipitation. All groundwater recharge occurs in volcanic rocks exposed in the mountain area above 7000 feet AMSL, where mean annual precipitation is 14 inches. The area of the basin above 7000 feet is 250 square miles. Mean chloride concentration in precipitation and dry fall is 0.6 milligram per liter. Wells on the alluvial fan between the mountain area and the central lowland have a mean chloride concentration of 8 milligrams per liter. a. Using the chloride ratio between precipitation in the mountain recharge area and the wells on the fan between the mountain area and playa, determine the mean annual recharge to Smith Valley in acre-feet per year (there are 640 acres in a square mile). b. Determine the groundwater discharge in the playa area. Is the basin at steady state?
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